Paper making and fiber liberation – Processes of chemical liberation – recovery or purification... – Continuous chemical treatment or continuous charging or...
Patent
1975-05-01
1980-02-26
Corbin, Arthur L.
Paper making and fiber liberation
Processes of chemical liberation, recovery or purification...
Continuous chemical treatment or continuous charging or...
162 38, 162 57, 162243, D21C 102, D21C 322
Patent
active
041904907
ABSTRACT:
A mixture of wood chips and impregnation liquor is continuously passed through an impregnation zone, the mixture is agitated throughout said impregnation zone to maintain the consistency of the mixture constant and the residence time of the chips uniform throughout said impregnation zone, the mixture is withdrawn from said impregnation zone, excess liquor is removed from the chips and said chips are then digested in a cooking zone.
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Corbin Arthur L.
Domtar Inc.
Rowley C. A.
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